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01a350aebd4f0e9c9d1d514a4e2ea498cb7f9853
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4 Commits
Author SHA1 Message Date
Emil b52798c634 perf: UiLayer HashMap → flat Vec array — 62 FPS → 95 FPS 
Replaced HashMap<(i32,i32), UiCell> with Vec<Option<UiCell>> indexed
by y*width+x. dirty_keys Vec tracks non-None cells for iteration.
- set/set_alpha: O(1) array write (was O(1) amortized HashMap insert
  with hashing overhead)
- get: O(1) array index (was HashMap lookup)
- keys(): iterate dirty_keys Vec (was HashMap keys iterator)
- clear(): memset None over flat array (was HashMap::clear)
- resize() called in build_ui to size array to viewport
- All 185 tests + 14 scenarios pass
- Benchmark: 95.1 FPS (was 61.9 — 53% improvement)
 2026-06-22 13:32:47 +03:00
Emil a16645d2d8 feat: procedurally scalable UI — font_scale auto-computed from screen size 
- UiLayer.font_scale: dynamically computed as (ui_height / 200).clamp(2, 6)
  Larger screens get bigger UI text automatically
- draw_text: renders each font pixel as font_scale×font_scale block
  (was 1×1, now 2×2 to 6×6 depending on screen size)
- text_width: now instance method, returns scaled width
- draw_health_bar: bar width scales with font_scale
- draw_character_panel: panel dimensions and row spacing scale
- draw_hud: bar height, row spacing, bar width scale
- draw_inventory_overlay: slot sizes scale with font_scale
- draw_messages: line spacing scales with font_height
- draw_death_screen: centered text uses scaled text_width
- All 185 tests + 14 scenarios pass
- Benchmark: 61.9 FPS (was 82.7 — 25% regression from more set_alpha calls)
 2026-06-22 13:23:48 +03:00
Emil 88892db493 fix: bigger UI panels with more spacing between text lines 
Character panel:
- Width 44 -> 52, height 44 -> 62
- Text rows spaced 8 apart (was 6) — no more squished text
- HP/XP bars 38 wide (was 32)
- Stats with double space between pairs
- Inventory section at bottom with more room

HUD bar:
- Height 18 -> 28
- Rows at y_top+2, +12, +22 (was +1, +7, +13)

Inventory overlay:
- Slots 12x10 (was 8x6), gap 3 (was 2)
- Panel auto-sizes larger
- Click hitboxes in main.rs updated to match

Fixed depth_shown_in_hud test for new HUD height.

All 171 tests + 14 scenarios pass.
 2026-06-21 19:03:14 +03:00
Emil 357db17c2f feat: GPU optimization — lighting, viewport CA, benchmark mode, 531 FPS 
- Resolution: 8x8 world cells, 2x2 UI cells (UI_SCALE=4)
- GPU lighting: vertex-shader computed, light source list buffer (max 64)
  instead of O(N×R²) grid scan, O(N×S) per cell
- Viewport-aware CA: iterate only active chunks, not all 250×250
- Flat array entity/item/shadow maps instead of HashMaps
- Flat 128-entry ASCII atlas array instead of HashMap lookup
- Partial grid upload: viewport + 30-cell margin only
- Pre-allocated viewport arrays in renderer structs (zero alloc/frame)
- Skip CPU lighting for GPU modes (pass None)
- Benchmark mode: --mode benchmark with per-subsystem timing
- GpuLightSource struct, light_count in push constants
- gather_sources_in_range() for viewport-scoped source gathering

Benchmark (600 ticks, release):
  Graphics: 531 FPS (was 386, +38%), render 1013us (was 1699us, -40%)
  ASCII:    402 FPS (was 313, +28%), render 1502us (was 2346us, -36%)

All 171 tests + 14 scenarios pass.
 2026-06-21 16:09:45 +03:00